Patent application number | Description | Published |
20100078606 | PROCESS FOR PRODUCING GROUP III ELEMENT NITRIDE CRYSTAL, AND GROUP-III ELEMENT NITRIDE CRYSTAL - A method for producing a high-quality group-III element nitride crystal at a high crystal growth rate, and a group-III element nitride crystal are provided. The method includes the steps of placing a group-III element, an alkali metal, and a seed crystal of group-III element nitride in a crystal growth vessel, pressurizing and heating the crystal growth vessel in an atmosphere of nitrogen-containing gas, and causing the group-III element and nitrogen to react with each other in a melt of the group-III element, the alkali metal and the nitrogen so that a group-III element nitride crystal is grown using the seed crystal as a nucleus. A hydrocarbon having a boiling point higher than the melting point of the alkali metal is added before the pressurization and heating of the crystal growth vessel. | 04-01-2010 |
20100192839 | PROCESS FOR PRODUCING GROUP III ELEMENT NITRIDE CRYSTAL AND APPARATUS FOR PRODUCING GROUP III ELEMENT NITRIDE CRYSTAL - A group III element nitride single crystal is grown on a template immersed in a raw material liquid retained in a crucible and containing a group III material and one of an alkali metal and an alkali earth metal. The raw material liquid remaining after the growth of the single crystal is cooled and solidified, and by feeding a hydroxyl group-containing solution into the crucible, the solidified raw material is removed from around the template, and thus the group III element nitride single crystal is taken out from inside the solidified raw material. The template is disposed at a position away from the bottom of the crucible. | 08-05-2010 |
20100213576 | METHOD FOR PRODUCING GROUP III NITRIDE CRYSTAL SUBSTRATE, GROUP III NITRIDE CRYSTAL SUBSTRATE, AND SEMICONDUCTOR DEVICE USING GROUP III NITRIDE CRYSTAL SUBSTRATE - Disclosed is a method for producing a group III nitride crystal substrate. A group III nitride crystal is formed by a growth method using a flux. The group III nitride crystal substrate is heat treated at a temperature equal to or higher than the lowest temperature at which the flux contained inside the group III nitride crystal substrate through intrusion into the crystal during the crystal formation can be discharged to outside the group III nitride crystal substrate, and equal to or lower than the highest temperature at which the surface of the group III nitride crystal substrate is not decomposed. | 08-26-2010 |
20100260656 | GROUP III NITRIDE CRYSTAL, METHOD FOR GROWING THE GROUP III NITRIDE CRYSTAL, AND APPARATUS FOR GROWING THE SAME - When a group III nitride crystal is grown in a pressurized atmosphere of a nitrogen-containing gas from a melt | 10-14-2010 |
20110012070 | GROUP-III ELEMENT NITRIDE CRYSTAL PRODUCING METHOD AND GROUP-III ELEMENT NITRIDE CRYSTAL - A method for producing a high-quality group-III element nitride crystal at a high crystal growth rate, and a group-III element nitride crystal are provided. The method includes the steps of placing a group-III element, an alkali metal, and a seed crystal of group-III element nitride in a crystal growth vessel, pressurizing and heating the crystal growth vessel in an atmosphere of nitrogen-containing gas, and causing the group-III element and nitrogen to react with each other in a melt of the group-III element, the alkali metal and the nitrogen so that a group-III element nitride crystal is grown using the seed crystal as a nucleus. A hydrocarbon having a boiling point higher than the melting point of the alkali metal is added before the pressurization and heating of the crystal growth vessel. | 01-20-2011 |
20120168695 | GROUP-III ELEMENT NITRIDE CRYSTAL PRODUCING METHOD AND GROUP-III ELEMENT NITRIDE CRYSTAL - A method for producing a high-quality group-III element nitride crystal at a high crystal growth rate, and a group-III element nitride crystal are provided. The method includes the steps of placing a group-III element, an alkali metal, and a seed crystal of group-III element nitride in a crystal growth vessel, pressurizing and heating the crystal growth vessel in an atmosphere of nitrogen-containing gas, and causing the group-III element and nitrogen to react with each other in a melt of the group-III element, the alkali metal and the nitrogen so that a group-III element nitride crystal is grown using the seed crystal as a nucleus. A hydrocarbon having a boiling point higher than the melting point of the alkali metal is added before the pressurization and heating of the crystal growth vessel. | 07-05-2012 |
20140030549 | GROUP III ELEMENT NITRIDE CRYSTAL PRODUCING METHOD AND GROUP-III ELEMENT NITRIDE CRYSTAL - A method for producing a high-quality group-III element nitride crystal at a high crystal growth rate, and a group-III element nitride crystal are provided. The method includes the steps of placing a group-III element, an alkali metal, and a seed crystal of group-III element nitride in a crystal growth vessel, pressurizing and heating the crystal growth vessel in an atmosphere of nitrogen-containing gas, and causing the group-III element and nitrogen to react with each other in a melt of the group-III element, the alkali metal and the nitrogen so that a group-III element nitride crystal is grown using the seed crystal as a nucleus. A hydrocarbon having a boiling point higher than the melting point of the alkali metal is added before the pressurization and heating of the crystal growth vessel. | 01-30-2014 |
Patent application number | Description | Published |
20100110571 | LENS HOLDER DRIVING DEVICE AND IMAGE PICKUP UNIT EMPLOYING PLANARY-DRIVEN POLYMER ACTUATOR - There are provided a lens holder being capable of holding a lens and having flange portions at opposite end portions thereof along an optical axis, a planary-driven actuator including driving arm portions having lens holder support points for holding the outer surface of the lens holder at a plurality of opposing positions and having free-end side contact portions, a lens-holder retaining plate having spring-characteristic portions, and fixing frames which form the outer surfaces of a lens holder driving device and fix the respective components. | 05-06-2010 |
20130259573 | ARTIFICIAL SOIL STRUCTURE AND METHOD OF FORMING THE SAME - An artificial soil structure includes a water shield layer provided on a soil layer and including water repellent sand processed by water repellent treatment, a water retentive layer provided on the water shield layer and including water retentive sand with no water repellent treatment, and a water repellent soil body provided partially in the water shield layer so as to penetrate the water shield layer and be in contact with the soil layer and the water retentive layer, the soil body including sand processed by water repellent treatment, wherein the water shield layer has water infiltration pressure higher than that of the water repellent soil body. | 10-03-2013 |
20140048542 | WATER STORAGE STRUCTURE - A water storage structure includes an impermeable layer including a plurality of hydrophobic particles, a water retentive layer provided on the impermeable layer and capable of holding a predetermined volume of liquid, and a pavement layer provided on the water retentive layer and including a tube penetrating from a first surface to a second surface. | 02-20-2014 |
Patent application number | Description | Published |
20080257919 | Three-dimensional collar shape retaining hanger - A three-dimensional collar shape retaining hanger prevents collars of a plurality of garments from being crushed and is capable of being stacked in a large number. The hanger has a hook portion and a hanger body. Between the hook portion and the hanger body, a connecting plate part which is a central collar supporting portion body is provided to connect the hook portion and the hanger body. A pair of first curved parts which protrudes toward a rear side of the hanger so as to abut on a rear neck portion of a collar is connected to right and left sides of the connecting plate part. To end portions of the first curved parts, a pair of second curved parts is connected at each distal end thereof. Each base end of the second curved parts is connected to the hanger body. A portion between the distal end and the base end of each of the second curved parts protrudes toward the front side of the hanger so as to abut on an inside of a front portion of the collar. By this structure, a curve on a rear neck portion of a collar is supported by the first curved parts while a curve on a front portion of the collar is supported by the second curved parts, thereby retaining a whole curve of the collar. Therefore, when a large number of garments hung on the three-dimensional collar shape retaining hangers are stacked, the collars are not crushed. | 10-23-2008 |
20120138641 | GARMENT HANGER - There is provided a garment hanger having a function of preventing shoulder portions of a garment from losing their original shapes, capable of being vertically stacked and not bulky in packing to reduce transportation cost, and not requiring time and effort to assemble into a three-dimensional shape. A hanger includes a hook portion and a hanger main body having a pair of left and right shoulder support portions for supporting shoulder portions of a garment, wherein upper faces of the shoulder support portions are inclined from a front side toward a back side of the hanger main body, a front-back thickness of each of the shoulder support portions is greater than a basic thickness of the hanger main body, and overlap thicknesses between the front and back shoulder support portions when the plurality of hanger main bodies are stacked in a thickness direction are greater than or equal to a difference between the front-back thicknesses and the basic thickness. | 06-07-2012 |
20150297012 | GARMENT HANGER - A garment hanger includes a hook composed of a metal wire, and a hanger body to which the hook is detachably connected for holding clothes therearound, the hanger body being integrally formed of a resin, the hook including a hook portion, a bending portion through which the hook is connected to the hanger body, and a shaft portion connecting the hook portion and the bending portion to each other, the hanger body including a shaft guide formed therethrough with a path through which the shaft portion of the hook is inserted, and a hook-receiving unit to which the bending portion is engaged and in which the bending portion is housed when the bending portion is pulled up with the shaft portion being inserted into the path of the shaft guide, to thereby connect the hook to the hanger body. | 10-22-2015 |